Directions: Solve the following problems, detailing anddocumenting the solutions. Additional instructions: For eachproblem, be sure to include the (a) type of parametric ornonparametric testing being performed; (b) both null and researchhypotheses; (c) critical value and test statistic; (d) p-value; and(e) both technical and contextual conclusions. 1. The back officesfor the five department stores that anchor Pinelands Promenade Malldispute whether or not they receive comparable treatment by mallmanagement. In response, mall management hired a consulting firm toinvestigate whether or not customer preferences among shoppers forthese five department stores are comparable or equivalent. Researchassistants collected a random sample of 240 people at the mall,asking these mall visitors which department store they preferredmost. The resulting frequency data was as follows: Onyx Paisley’sQuarterdeck Regal Sale-Mart 54 60 36 48 42 What should theconsulting firm report to mall management? In other words,according to the available evidence, and testing at the 5% level ofsignificance, is the proportion of mall visitors who prefer each ofthe five department stores at Pinelands Promenade the same?[COMMENTS & HINTS: It is good to see how the data fits theclaim.]